Three-Point Estimating
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Three-Point Estimating is a technique used to estimate cost or duration by applying an average or weighted average of optimistic, pessimistic, and most likely estimates when there is uncertainty with the individual activity estimates. See also analogous estimating, bottom-up estimating, parametric estimating, and program evaluation and review technique (PERT).
Definition
According to the PMI Lexicon of Project Management Terms,
- Three-Point Estimating. A technique used to estimate cost or duration by applying an average or weighted average of optimistic, pessimistic, and most likely estimates when there is uncertainty with the individual activity estimates. See also analogous estimating, bottom-up estimating, parametric estimating, and program evaluation and review technique (PERT).
